When should patch testing be performed for lash/brow tinting, and what does it involve?

• A. Patch test 24 hours prior; protect skin around eyes; mix tint; apply to a small area; monitor for 24 hours.
• B. Patch test is unnecessary.
• C. Patch test during treatment.
• D. Patch test is only for certain clients.

Answer: (A)

Patch testing before lash or brow tinting is about checking for allergic reactions to the dye ingredients before applying color near the eyes. It should be done 24 hours before the treatment so you have time to notice any delayed reaction. The test involves mixing a tiny amount of the tint you plan to use, protecting the skin around the eyes to prevent accidental contact, applying a small amount to a discreet patch of skin, and monitoring that patch for 24 hours for signs of irritation such as redness, itching, swelling, or blistering. If a reaction occurs, do not proceed with the tinting using that product. If no reaction is observed, you can safely proceed with the lash/brow tinting using the chosen tint.